語彙素 is read as ごいそ (goiso) and means lexeme.
ごいそ
goiso
ごそ
word root (smallest portion of a larger word that holds meaning)
ごい
vocabulary
ごいとうけいがく
lexicostatistics
ごいひょう
vocabulary list
ごいてきこんとろーるのげんり
principle of lexical control
ごいてき
lexical
ごいきのうぶんぽう
lexical-functional grammar
ごいせいげんぼん
graded reader
ごいろん
lexicology
ごいきそく
lexical rule
げんごこうせいようそ
language construct
げんごようそ